Suppression of HIV-1 infection in primary CD4 T cells transduced with a self-inactivating lentiviral vector encoding a membrane expressed gp41-derived fusion inhibitor

Peptidomimetics of HIV-1 gp41 sequences required for membrane fusion are potent inhibitors of HIV-1 entry. We hypothesize that expression of a membrane-bound gp41-derived fusion inhibitor will confer HIV-1 resistance to primary CD4 T cells. Efficient gene delivery and stable expression of a membrane...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 115(2005), 1 vom: 01. Apr., Seite 26-32
1. Verfasser: Perez, E E (VerfasserIn)
Weitere Verfasser: Riley, J L, Carroll, R G, von Laer, D, June, C H
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Anti-HIV Agents HIV Core Protein p24 HIV Envelope Protein gp41 HIV Fusion Inhibitors Receptors, CXCR4
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245 1 0 |a Suppression of HIV-1 infection in primary CD4 T cells transduced with a self-inactivating lentiviral vector encoding a membrane expressed gp41-derived fusion inhibitor 
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520 |a Peptidomimetics of HIV-1 gp41 sequences required for membrane fusion are potent inhibitors of HIV-1 entry. We hypothesize that expression of a membrane-bound gp41-derived fusion inhibitor will confer HIV-1 resistance to primary CD4 T cells. Efficient gene delivery and stable expression of a membrane-bound gp41-derived fusion inhibitor to primary CD4 T cells was accomplished using a self-inactivating lentiviral vector. A potent antiviral effect was observed when transduced CD4 T cells were challenged with a highly virulent CXCR4-tropic strain of HIV-1. Production of soluble p24 in the supernatant was inhibited 100-fold, and cytopathic effects were evident early in non-transduced cells and absent in transduced cells. Expression of the gp41 sequences was not detrimental to CD4 cells as transduced CD4 T cells exhibited a population doubling time that was equivalent to T cells transduced with a control vector. Results from this study support the rationale to use this lentiviral vector targeted at HIV entry as a potential gene therapy for HIV infection 
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650 7 |a HIV Core Protein p24  |2 NLM 
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700 1 |a Riley, J L  |e verfasserin  |4 aut 
700 1 |a Carroll, R G  |e verfasserin  |4 aut 
700 1 |a von Laer, D  |e verfasserin  |4 aut 
700 1 |a June, C H  |e verfasserin  |4 aut 
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